Robert Costa recently discussed President Donald Trump's admiration of military leaders with James Kitfield, a contributing writer to POLITCO Magazine who recently wrote "Trump’s Generals Are Trying to Save the World. Starting With the White House."

White House chief strategist Steve Bannon is one of the most controversial figures in President Donald Trump’s administration. And in a new bestselling book — Devil’s Bargain: Steve Bannon, Donald Trump, and the Storming of the Presidency — Joshua Green takes readers inside the mysterious, up-and-down relationship between the president and his populist guru.